Miccah
ad2f9a4b98
* Populate SecretParts on single-part detectors
Adds SecretParts: map[string]string{"key": <secret>} to every detector
package that constructs detectors.Result with a single captured secret
value. This is the single-part half of the SecretParts migration (the
linter's common case, ~695 packages).
* Populate SecretParts on multi-part detectors
122 lines
3.2 KiB
Go
122 lines
3.2 KiB
Go
package fetchrss
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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regexp "github.com/wasilibs/go-re2"
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"github.com/trufflesecurity/trufflehog/v3/pkg/common"
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"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
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"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detector_typepb"
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)
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type Scanner struct {
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client *http.Client
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}
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// Ensure the Scanner satisfies the interface at compile time.
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var _ detectors.Detector = (*Scanner)(nil)
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var (
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defaultClient = common.SaneHttpClient()
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// Make sure that your group is surrounded in boundary characters such as below to reduce false positives.
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keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"fetchrss"}) + `\b([a-zA-Z0-9.]{40})\b`)
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)
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// Keywords are used for efficiently pre-filtering chunks.
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// Use identifiers in the secret preferably, or the provider name.
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func (s Scanner) Keywords() []string {
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return []string{"fetchrss"}
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}
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// FromData will find and optionally verify Fetchrss secrets in a given set of bytes.
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func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (results []detectors.Result, err error) {
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dataStr := string(data)
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uniqueMatches := make(map[string]struct{})
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for _, match := range keyPat.FindAllStringSubmatch(dataStr, -1) {
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uniqueMatches[match[1]] = struct{}{}
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}
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for token := range uniqueMatches {
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s1 := detectors.Result{
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DetectorType: detector_typepb.DetectorType_Fetchrss,
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Raw: []byte(token),
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SecretParts: map[string]string{"key": token},
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}
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if verify {
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client := s.client
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if client == nil {
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client = defaultClient
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}
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verified, verificationErr := verifyToken(ctx, client, token)
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s1.Verified = verified
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s1.SetVerificationError(verificationErr)
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}
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results = append(results, s1)
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}
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return results, nil
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}
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func verifyToken(ctx context.Context, client *http.Client, token string) (bool, error) {
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://fetchrss.com/api/v1/feed/list?auth="+token, nil)
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if err != nil {
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return false, err
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}
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res, err := client.Do(req)
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if err != nil {
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return false, err
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}
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defer func() {
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_, _ = io.Copy(io.Discard, res.Body)
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_ = res.Body.Close()
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}()
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// The API seems to always return a 200 status code.
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// See: https://fetchrss.com/developers
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if res.StatusCode != http.StatusOK {
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return false, fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
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}
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var apiRes response
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if err := json.NewDecoder(res.Body).Decode(&apiRes); err != nil {
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return false, err
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}
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if apiRes.Success {
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// The key is valid.
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return true, nil
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} else if apiRes.Error.Code == 401 {
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// The key is invalid.
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return false, nil
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} else {
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return false, fmt.Errorf("unexpected error: [code=%d, message=%s]", apiRes.Error.Code, apiRes.Error.Message)
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}
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}
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type response struct {
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Success bool `json:"success"`
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Error struct {
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Message string `json:"message"`
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Code int `json:"code"`
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} `json:"error"`
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}
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func (s Scanner) Type() detector_typepb.DetectorType {
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return detector_typepb.DetectorType_Fetchrss
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}
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func (s Scanner) Description() string {
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return "FetchRSS is a service used to convert web content into RSS feeds. FetchRSS API keys can be used to manage and access these feeds."
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}
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